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Finding the Fourth Proportional to 5,980, 8,253.48 and 3,463.72

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Solution

The fourth proportional to 5,980, 8,253.48 and 3,463.72 is: 4,780.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,980 : 8,253.48 = 3,463.72 : x
  2. Step 2: Convert to fraction form
    5,980/8,253.48 = 3,463.72/x
  3. Step 3: Cross multiply
    5,980x = 8,253.48 × 3,463.72
  4. Step 4: Simplify right side
    5,980x = 28,587,743.75
  5. Step 5: Solve for x
    x = 28,587,743.75/5,980
  6. Step 6: Final answer
    x = 4,780.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.